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IMPINJ INC Director's Dealing 2025

May 22, 2025

30994_dirs_2025-05-21_6cf14918-a924-48ef-8a3f-2d10c9745d27.zip

Director's Dealing

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SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: IMPINJ INC (PI)
CIK: 0001114995
Period of Report: 2025-05-20

Reporting Person: PHELAN CATHAL G (N/A)

Non-Derivative Transactions

Date Security Code Shares Price A/D Holdings After Ownership
2025-05-20 Common Stock M 1375 Acquired 10923 Direct
2025-05-20 Common Stock F 492 $123.33 Disposed 10431 Direct

Derivative Transactions

Date Security Exercise Price Code Shares A/D Expiration Underlying Ownership
2025-05-20 Restricted Stock Units $0 M 1375 Disposed Common Stock (1375) Direct

Footnotes

F1: In an exempt disposition to the Issuer under Rule 16b-3(e), the Reporting Person remitted shares to the Issuer in connection with the satisfaction of tax withholding obligations arising out of the vesting of restricted stock units, or RSUs.

F2: Each restricted stock unit represents a contingent right to receive one share of Impinj common stock.

F3: One-fourth of the shares subject to the grant vested on February 20, 2024, and 1/16th of the shares subject to the grant vest each quarter thereafter, subject to the Reporting Person's continued service to the Issuer through such date.